#include<bits/stdc++.h>
using namespace std;
int main()
{

    freopen("arena.in","r",stdin);
    freopen("arena.out","w",stdout);
    int T;
    cin>>T;
    while(T--)
    {

        int n;
        cin>>n;
        int a[100005]{};
        for(int i=0;i<n;i++)
        {
            cin>>a[i];

        }



    }



    return 0;
}
